Richard Trevithick was a British mining engineer and inventor. A pioneer of rail transport and steam-powered vehicles, Trevithick is credited with developing the first working railway steam locomotive and the first high-pressure steam engine. He was a highly respected figure in the fields of engineering and mining during the peak of his career.
Then first Black to have graduated from West Point’s Military Academy, Henry Ossian Flipper was born to slave parents. He also became the first African-American to command US Army troops. He was dismissed unjustly on embezzlement charges and later worked as a civil engineer. His name was cleared posthumously.
![William Henry Ashley William Henry Ashley](http://www.thefamouspeople.com/profiles/thumbs/no-profile-img.jpg)
![Henry Croft Henry Croft](http://www.thefamouspeople.com/profiles/thumbs/henry-croft-120515-1.jpg)
![Mohammed Al Barwani Mohammed Al Barwani](http://www.thefamouspeople.com/profiles/thumbs/mohammed-al-barwani-116110-1.jpg)
![John Hays Hammond John Hays Hammond](http://www.thefamouspeople.com/profiles/thumbs/john-hays-hammond-1.jpg)
![John Milne John Milne](http://www.thefamouspeople.com/profiles/thumbs/john-milne-1.jpg)
John Milne was a British mining engineer and geologist. He is credited with co-founding the Seismological Society of Japan which raised money for the invention of seismographs. John Milne and his team went on to invent the horizontal pendulum seismograph which allowed him to detect various kinds of earthquake waves.
![John Blenkinsop John Blenkinsop](http://www.thefamouspeople.com/profiles/thumbs/no-profile-img.jpg)
John Blenkinsop was an English inventor and mining engineer. He is credited with inventing steam locomotives and designing the first practical railway locomotive. At a time when inventors were content with locomotives drawing up to four times their weight, Blenkinsop continued working on engines that could draw up to 18 times their weight and eventually succeeded in building better locomotives.
![Aïssata Issoufou Mahamadou Aïssata Issoufou Mahamadou](http://www.thefamouspeople.com/profiles/thumbs/assata-issoufou-mahamadou-1.jpg)
![Eduard von Feuchtersleben Eduard von Feuchtersleben](http://www.thefamouspeople.com/profiles/thumbs/eduard-von-feuchtersleben-1.jpg)
George Reginald Starr was a British Special Operations Executive agent and mining engineer. He is credited with carrying out many sabotage operations in the days leading up to the famous Normandy invasion in June 1944. George Reginald Starr rescued nearly 50 prominent resistance leaders and played an important role in the emancipation of southwestern France from German occupation.
Henry Gannett was an American geographer best remembered for his association with the United States Geological Survey, where he served as the chief geographer from its founding until 1902. Nicknamed the father of mapmaking in America, Henry Gannett is also known as a founding member of the National Geographic Society, where he served as president.
![Herman Frasch Herman Frasch](http://www.thefamouspeople.com/profiles/thumbs/herman-frasch-1.jpg)
![Khajidsuren Bolormaa Khajidsuren Bolormaa](http://www.thefamouspeople.com/profiles/thumbs/khajidsuren-bolormaa-1.jpg)
![Daniel C. Jackling Daniel C. Jackling](http://www.thefamouspeople.com/profiles/thumbs/daniel-c-jackling-1.jpg)
![Truman H. Aldrich Truman H. Aldrich](http://www.thefamouspeople.com/profiles/thumbs/truman-h-aldrich-1.jpg)
Apart from being a civil engineer and a mining executive who established the Cahaba Coal Mining Co., Truman H. Aldrich was also a paleontologist who had received an honorary doctorate and had served as a museum curator. He was also a US Congress representative from Alabama.
![William Bowie William Bowie](http://www.thefamouspeople.com/profiles/thumbs/william-bowie-1.jpg)
![Antonia Navarro Huezo Antonia Navarro Huezo](http://www.thefamouspeople.com/profiles/thumbs/antonia-navarro-huezo-1.jpg)